    /* launcher button — clean & friendly */
    .open-btn {
      background: #1e2b4f;
      color: white;
      border: none;
      padding: 1rem 2.5rem;
      font-size: 1.25rem;
      font-weight: 500;
      border-radius: 60px;
      box-shadow: 0 10px 25px -8px rgba(20, 30, 60, 0.4);
      cursor: pointer;
      transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
      letter-spacing: 0.3px;
    }

    .open-btn:hover {
      background: #14233c;
      box-shadow: 0 18px 30px -8px rgba(15, 25, 50, 0.5);
    }

    .open-btn:active {
      transform: scale(0.97);
    }

    /* MODAL OVERLAY (hidden by default) */
    .modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.4);        /* semi‑transparent backdrop */
      backdrop-filter: blur(3px);
      display: flex;
      align-items: center;
      justify-content: center;
      visibility: hidden;          /* hidden + invisible = no interaction */
      opacity: 0;
      transition: opacity 0.25s ease, visibility 0.25s;
      z-index: 99994;
      padding: 1rem;
    }

    /* when the 'show' class is added, overlay becomes visible */
    .modal-overlay.show {
      visibility: visible;
      opacity: 1;
    }

    /* modal content box — simple card with nice details */
    .modal-content {
      background: white;
      max-width: 700px;
      width: 100%;
      border-radius: 28px;
      box-shadow: 0 35px 70px -15px rgba(0, 0, 0, 0.35);
      padding: 2rem 1.8rem 1.8rem 1.8rem;
      position: relative;
      transform: scale(0.96);
      transition: transform 0.25s cubic-bezier(0.2, 0.9, 0.3, 1.1);
      border: 1px solid rgba(255, 255, 255, 0.25);
    }

    .show .modal-content {
      transform: scale(1);
    }

    /* tiny close button (X) — simple, no extra words */
    .close-x {
      position: absolute;
      top: 1.2rem;
      right: 1.5rem;
      background: none;
      border: none;
      font-size: 1.9rem;
      line-height: 1;
      color: #8b9bb5;
      cursor: pointer;
      padding: 0 0.3rem;
      transition: color 0.15s, transform 0.1s;
      font-weight: 300;
    }

    .close-x:hover {
      color: #1e2b4f;
      transform: scale(1.1);
    }

    /* modal text elements */
    .modal-content h2 {
      font-size: 2rem;
      font-weight: 600;
      color: #0b1729;
      letter-spacing: -0.02em;
      margin-bottom: 0.75rem;
      padding-right: 1.8rem; /* avoid overlapping with X */
    }

    .modal-content p {
      font-size: 1.1rem;
      line-height: 1.5;
      color: #2e3f5a;
      margin: 0 0 1.8rem 0;
    }

    /* simple action row: secondary + primary buttons */
    .modal-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.8rem;
      justify-content: flex-end;
      border-top: 1px solid #e5eef5;
      padding-top: 1.8rem;
      margin-top: 0.2rem;
    }

    .modal-btn {
      border: none;
      font-weight: 500;
      font-size: 1rem;
      padding: 0.7rem 1.5rem;
      border-radius: 40px;
      background: transparent;
      color: #1e2b4f;
      cursor: pointer;
      transition: background 0.15s, color 0.15s, box-shadow 0.1s;
    }

    .modal-btn.primary {
      background: #1e2b4f;
      color: white;
      box-shadow: 0 4px 8px rgba(0, 20, 40, 0.2);
    }

    .modal-btn.primary:hover {
      background: #2c3d64;
    }

    .modal-btn.secondary {
      background: #f0f4fe;
      color: #1e2b4f;
    }

    .modal-btn.secondary:hover {
      background: #dde5f5;
    }

    /* optional small note — just for demonstration */
    .demo-hint {
      position: fixed;
      bottom: 18px;
      left: 0;
      right: 0;
      text-align: center;
      font-size: 0.9rem;
      color: #4b5f7a;
      background: rgba(255, 255, 255, 0.7);
      padding: 0.5rem 1rem;
      width: fit-content;
      margin: 0 auto;
      border-radius: 60px;
      backdrop-filter: blur(4px);
      box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    }
    .demo-hint kbd {
      background: #eef2f7;
      border-radius: 6px;
      padding: 0.2rem 0.6rem;
      font-family: monospace;
      font-weight: 600;
      color: #1d2b41;
      margin: 0 2px;
    }

    .btn-blue {
        display: block;
      background: #005dac;
      color: #fff;
      text-decoration: none;
      padding: 10px;
      -webkit-border-radius: 30px;
      -moz-border-radius: 30px;
      -o-border-radius: 30px;
      border-radius: 30px;
        width: max-content;

        a {
            color: #fff;
            text-decoration: none;
        }
    }

    /* DaData */

    .search-city {
        position: relative;
    }

    .suggestion-list {
        display: flex;
        flex-direction: column;
        position: absolute;

        background: #fff;
        border: 1px solid #ccc;
        border-radius: 12px;
        box-shadow: 0 4px 6px #0000001a;
        left: 0;
        max-height: 200px;
        overflow-y: auto;
        position: absolute;
        right: 0;
        top: 100%;
        z-index: 10;
        width: fit-content;
    }

    .hidden {
        display: none;
    }

    .suggestion-list .suggestion-city {
        border-bottom: 1px solid #eee;
        cursor: pointer;
        overflow: hidden;
        padding: 10px;
        text-overflow: ellipsis;
        white-space: nowrap;
    }